1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2001 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * University Copyright- Copyright (c) 1982, 1986, 1988 29 * The Regents of the University of California 30 * All Rights Reserved 31 * 32 * University Acknowledgment- Portions of this document are derived from 33 * software developed by the University of California, Berkeley, and its 34 * contributors. 35 */ 36 37 #pragma ident "%Z%%M% %I% %E% SMI" 38 /* from UCB 4.4 85/06/02 */ 39 40 #include <sys/types.h> 41 #include <netinet/in.h> 42 43 /* 44 * Formulate an Internet address from network + host. Used in 45 * building addresses stored in the ifnet structure. 46 */ 47 struct in_addr 48 inet_makeaddr(net, host) 49 int net, host; 50 { 51 ulong_t addr; 52 struct in_addr inaddr; 53 54 if (net < 128) 55 addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST); 56 else if (net < 65536) 57 addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST); 58 else 59 addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST); 60 inaddr.s_addr = htonl(addr); 61 return (inaddr); 62 } 63